CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 11,788	$ 949	$ 32,779	$ 6,394
Securities available for sale:
Unrealized net gains (losses) on available for sale securities	4,813	(3,360)	2,617	4,020
Tax effect	(1,841)	1,295	(887)	(1,549)
Reclassification of (gains) losses on sales of securities	0	96	(85)	(122)
Tax effect	0	(37)	33	47
Net of tax amount	2,972	(2,006)	1,678	2,396
Cash flow hedges:
Unrealized net gains (losses) on cash flow hedges	(5,156)	423	(5,826)	(1,800)
Tax effect	1,980	(161)	2,238	684
Reclassification of amounts into interest expense from termination of interest rate swaps	35	0	43	0
Tax effect	(14)	0	(17)	0
Net of tax amount	(3,155)	262	(3,562)	(1,116)
Total other comprehensive income (loss)	(183)	(1,744)	(1,884)	1,280
Comprehensive income (loss)	$ 11,605	$ (795)	$ 30,895	$ 7,674